Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 13692 — Thousand Island Park, NY

ZIP code 13692 (Thousand Island Park, Jefferson County) is in USDA zone 5a: the coldest winter night averages −20 to −15 °F. The median last spring frost is May 11 and the first fall frost October 1.

Where ZIP 13692 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone5a−20 to −15 °F

Coldest night−28.9 to −26.1 °C

Last frostMay 11

First frostOct 1

2012 zone4b

Was 4b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 5a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Thousand Island Park, NY…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Thousand Island Park, NY

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostMay 11median — 50% chance of a later frost

Safe for tender plantsMay 26only 10% chance of frost after

First fall frostOctober 1median — 10% chance by Sep 16

Growing season140 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 30 and returns around October 11.

From the NOAA station Watertown Intl Airport, NY — 20 miles away, elevation 318 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 13692

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 30 – Apr 13

SpinachSow outdoors · Mar 30 – Apr 20

Broccoli, cabbageStart indoors · Mar 2 – Mar 16

Broccoli, cabbageTransplant · Apr 20 – May 4

Onion setsPlant outdoors · Apr 13 – Apr 27

PotatoesPlant outdoors · Apr 20 – May 4

LettuceSow outdoors · Apr 13 – Apr 27

Carrots, beetsSow outdoors · Apr 20 – May 4

TomatoesStart indoors · Mar 16 – Mar 30

TomatoesTransplant · May 18 – Jun 1

Peppers, eggplantStart indoors · Mar 2 – Mar 16

Peppers, eggplantTransplant · May 25 – Jun 8

BeansSow outdoors · May 18 – Jun 1

Sweet cornSow outdoors · May 18 – Jun 1

Cucumbers, squashSow outdoors · May 18 – Jun 1

Fall lettuce, spinachSow outdoors · Aug 6 – Aug 20

GarlicPlant cloves · Sep 17 – Oct 22

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 11) and first fall frost (Oct 1) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 13692 came on Apr 16 — about the same time as the 1991–2020 average (Apr 18).

average
Apr 182026
Apr 16

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Soil in Thousand Island Park, NY

The soil mapped at the center of ZIP 13692 is Hudson — silt loam, moderately well drained.

TextureSilt loama good balance for most vegetables

pH6.2slightly acidic; most vegetables like 6.0–7.0

DrainageModerately well drainednatural drainage class

Organic matter4.5%moderate

Hydrologic groupC/Dslow when drained; wet otherwise

Farmland classprime farmlandUSDA classification

Map unit: Hudson silt loam, 3 to 8 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 13692; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Thousand Island Park, NY

Summer high79 °Faverage high, July

Winter low10 °Faverage low, January

Hot days2days a year at 90 °F or more

Freezing nights151nights a year at 32 °F or less

Growing degree days2,207base 50 °F — the season’s usable heat

Longest day15 h 31 mindaylight on June 21

Shortest day8 h 51 mindaylight on December 21

Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)

Precipitation48.9 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Watertown Intl Airport, NY (20 mi away); precipitation: Theresa 4nw, NY (9 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

2 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

136415b

Fishers Landing, NY · 2 mi

136405b

Wellesley Island, NY · 4 mi

136245a

Clayton, NY · 5 mi

136075a

Alexandria Bay, NY · 6 mi

136565a

La Fargeville, NY · 7 mi

136755a

Plessis, NY · 9 mi

136325a

Depauville, NY · 11 mi

136795a

Redwood, NY · 13 mi

New York planting zones →

Questions about 13692

What planting zone is ZIP code 13692?

ZIP code 13692 (Thousand Island Park, NY) is in USDA hardiness zone 5a on the 2023 map: the coldest night of an average winter reaches −20 to −15 °F (−28.9 to −26.1 °C).

When is the last frost in Thousand Island Park, NY?

The median last spring frost (32 °F) near 13692 is May 11; after May 26 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Watertown Intl Airport station.

When is the first frost in Thousand Island Park, NY?

The median first fall frost near 13692 is October 1, giving a median frost-free growing season of 140 days.

When should I plant tomatoes in 13692?

Start tomato seeds indoors around Mar 16 – Mar 30 and set transplants outside around May 18 – Jun 1, one to three weeks after the median last frost.

How much rain and snow does 13692 get?

About 48.9 inches of precipitation a year (NOAA 1991–2020 normals, Theresa 4nw station).

How hot do summers get in Thousand Island Park, NY?

The average high peaks at 79 °F in July, with about 2 days a year at 90 °F or more.

What kind of soil does 13692 have?

The USDA soil survey maps Hudson at the center of ZIP 13692: silt loam, moderately well drained, pH about 6.2 (slightly acidic).

Did spring come early in Thousand Island Park, NY in 2026?

Spring leaf-out near 13692 came on Apr 16 in 2026, about the same as the 1991–2020 average (Apr 18), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Thousand Island Park, NY?

Long-day onions: the longest day near 13692 is 15 h 31 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 13692 change?

Yes. The 2012 USDA map put 13692 in zone 4b; the 2023 map puts it in zone 5a. The newer map uses 1991–2020 data and more weather stations.